view tests/test-dirstate-backup.t @ 41366:fabb0224a599

hghave: let OSError with ENOENT through like any other

Before this patch, if we get an OSError with ENOENT, we would not
re-raise it and would instead run into an undefined variable ("p")
soon thereafter.

Differential Revision: https://phab.mercurial-scm.org/D5631

Set up

  $ hg init repo
  $ cd repo

Try to import an empty patch

  $ hg import --no-commit - <<EOF
  > EOF
  applying patch from stdin
  abort: stdin: no diffs found
  [255]

No dirstate backups are left behind

  $ ls .hg/dirstate* | sort
  .hg/dirstate